--- What about going hiking this weekend?---Sounds good. The weather is _____.

—Who is the most ___________ student in your class?—I think Jimmy is. He is very out going, helpful and creative.

 The children all looked _______at the broken model plane and felt quite____.　 

He has read many books on history, so it’s _________ for him to answer these questions.

When summer comes, the weather becomes __________ and the flowers become __________.